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SAP integration · Lesson

REST

Quick answer

Use REST for real-time, lightweight, web/mobile and cloud integration.

Key takeaways

  • REST integration exchanges JSON over HTTP using standard verbs, either external systems calling SAP’s OData/REST APIs, or SAP (via…
  • OData/REST APIs as endpoints.
  • JSON payloads and HTTP verbs.
  • Watch out: Wrong tool for the integration style.

What REST integration does

REST integration exchanges JSON over HTTP using standard verbs, either external systems calling SAP’s OData/REST APIs, or SAP (via CPI/BTP) calling external REST services. It is simple, widely supported, and ideal for real-time, request/response integration.

Key aspects

  • OData/REST APIs as endpoints.
  • JSON payloads and HTTP verbs.
  • OAuth/token security.
  • Query options for efficient data access.

When to use it

Use REST for real-time, lightweight, web/mobile and cloud integration. For robust async document exchange prefer IDoc; for SAP-to-SAP program calls, RFC/BAPI; REST/OData shines for modern, service-based scenarios.

Common pitfalls

  • Wrong tool for the integration style.
  • Ignoring monitoring/error handling.
  • Point-to-point instead of governed integration.

Want to learn this properly?

Our live, instructor-led SAP Training covers this hands-on, with real projects and a certification path.

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Check your understanding

  1. Which statement is true of REST?

    • A. It is simple, widely supported, and ideal for real-time, request/response integration.
    • B. Security administration protects the SAP system and its data through authorizations, secure configuration…
    • C. A BAPI (Business Application Programming Interface) is a standardised, stable method for accessing SAP…
    Show answer

    A. It is simple, widely supported, and ideal for real-time, request/response integration.

    Covered in the “What REST integration does” section of this lesson.

  2. Which of these also applies to REST?

    • A. Incomplete BP roles/views blocking process steps.
    • B. Cramming without hands-on skill.
    • C. For robust async document exchange prefer IDoc; for SAP-to-SAP program calls, RFC/BAPI; REST/OData shines for…
    Show answer

    C. For robust async document exchange prefer IDoc; for SAP-to-SAP program calls, RFC/BAPI; REST/OData shines for…

    Covered in the “When to use it” section of this lesson.

  3. Which part of the Learn SAP curriculum covers REST?

    • A. SAP integration
    • B. SAP ABAP development
    • C. SAP projects
    Show answer

    A. SAP integration

    This lesson sits in the SAP integration section of the Learn SAP course.

Frequently asked questions

What does REST stand for, and how is it used in SAP integration?

REST/OData integration connects systems to SAP over HTTP with JSON, the modern, lightweight style used for cloud, web and mobile integration. In SAP this typically means calling or exposing OData services.

What does REST exchange data with?

REST integration exchanges JSON over HTTP using standard verbs, either external systems calling SAP’s OData/REST APIs, or SAP (via CPI/BTP) calling external REST services.

What is worth remembering about REST in practice?

Use REST for real-time, lightweight, web/mobile and cloud integration.

What tends to go wrong with REST in SAP integration?

Wrong tool for the integration style. Ignoring monitoring/error handling. Point-to-point instead of governed integration.
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